Question about Apple Computers & Internet
Will not shut down normally. Reset pram, smu disc repair still won't shut down.re-installed 10.3. nothing works screen goes black but fans keep running.. #3 lite goes out but 1&2 stay lit. only way to shut down is unplug. runs perfect other than this.
I have minor shutdown problem with mail, won't close or shut down. My ans top left APPLE drop down, force closure, turn of each programme listed. For me works a treat.
Posted on Apr 25, 2014
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Posted on Jan 02, 2017
SOURCE: G4 imac CD tray keeps opening
You may be trying to load a corrupted disk, or your mac may have a faulty mother board. sorry, im not quite sure exactly what your problem is, but good luck anyway...
Posted on Mar 08, 2009
Hello, Sorry to hear you are having troubles,
Is this a 17” iMac G5, if it is, and I think it is, unfortunately, this iMac model was generation 1 of the all in one flat screen design and it's a bit of a Lemon... The hard Drive overheats the video card and the power supply. With time, these 2 elements burn out.
What you have sounds like the power supply. it's a $300 repair, but, it might not be a good investment for you, the new power supply won't last much more than the first one and your video chip won't last much longer....
Best put the money and put it towards a new machine.
Sorry bout that.
Posted on Apr 02, 2009
I have one doing exactly this at the moment. It had gone to sleep and the fans were going like crazy. I think it is a Motherboard failure (it happened with many G5 iMacs), this one has been replaced once already, and I can't actually get it to install anything. I'm taking it apart tomorrow to see what I can find inside. If I fond anything I'll let you know.
Posted on Aug 07, 2009
If you can find an older SVGA monitor, try hooking it up to the port on the back of your mac. If you get video then chances are the LCD display is shot.
Posted on Sep 02, 2009
Assuming you have the model with four diagnostic LEDs, the lack of LED-3 indicates that the computer and the LCD display are NOT communicating. This
LED should be ON when the computer is turned on and video signal is being generated.
The first solution is to reset the PRAM (hold command-option-P-R after the boot chime until you hear another boot chime). If video does not appear, then power down the computer and reset the SMU by pressing the SMU button ONCE ONLY. (The SMU button is located just south of the fan housing and is the button further away from the fan; the other button is a power button.) If this does not fix the video, the next step is to remove the optical drive. If this does not fix the video, put everything back together and attach an external display using the dongle supplied with the unit. If the external display fails to work, you have a logic board problem; otherwise, you have an LCD panel, inverter, or cable problem.
Posted on Apr 02, 2010
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